The researcher is showing that due to the way the SNMP trap log is parsed, an attacker can craft an SNMP trap with additional lines of information and have forged data show in the Zabbix UI. This attack requires SNMP auth to be off and/or the attacker to know the community/auth details. The attack requires an SNMP item to be configured as text on the target host.
{
"binaries": [
{
"binary_name": "zabbix-agent",
"binary_version": "1:2.2.2+dfsg-1ubuntu1+esm5"
},
{
"binary_name": "zabbix-frontend-php",
"binary_version": "1:2.2.2+dfsg-1ubuntu1+esm5"
},
{
"binary_name": "zabbix-java-gateway",
"binary_version": "1:2.2.2+dfsg-1ubuntu1+esm5"
},
{
"binary_name": "zabbix-proxy-mysql",
"binary_version": "1:2.2.2+dfsg-1ubuntu1+esm5"
},
{
"binary_name": "zabbix-proxy-pgsql",
"binary_version": "1:2.2.2+dfsg-1ubuntu1+esm5"
},
{
"binary_name": "zabbix-proxy-sqlite3",
"binary_version": "1:2.2.2+dfsg-1ubuntu1+esm5"
},
{
"binary_name": "zabbix-server-mysql",
"binary_version": "1:2.2.2+dfsg-1ubuntu1+esm5"
},
{
"binary_name": "zabbix-server-pgsql",
"binary_version": "1:2.2.2+dfsg-1ubuntu1+esm5"
}
]
}
{
"binaries": [
{
"binary_name": "zabbix-agent",
"binary_version": "1:2.4.7+dfsg-2ubuntu2.1+esm4"
},
{
"binary_name": "zabbix-frontend-php",
"binary_version": "1:2.4.7+dfsg-2ubuntu2.1+esm4"
},
{
"binary_name": "zabbix-java-gateway",
"binary_version": "1:2.4.7+dfsg-2ubuntu2.1+esm4"
},
{
"binary_name": "zabbix-proxy-mysql",
"binary_version": "1:2.4.7+dfsg-2ubuntu2.1+esm4"
},
{
"binary_name": "zabbix-proxy-pgsql",
"binary_version": "1:2.4.7+dfsg-2ubuntu2.1+esm4"
},
{
"binary_name": "zabbix-proxy-sqlite3",
"binary_version": "1:2.4.7+dfsg-2ubuntu2.1+esm4"
},
{
"binary_name": "zabbix-server-mysql",
"binary_version": "1:2.4.7+dfsg-2ubuntu2.1+esm4"
},
{
"binary_name": "zabbix-server-pgsql",
"binary_version": "1:2.4.7+dfsg-2ubuntu2.1+esm4"
}
]
}
{
"binaries": [
{
"binary_name": "zabbix-agent",
"binary_version": "1:3.0.12+dfsg-1ubuntu0.1~esm4"
},
{
"binary_name": "zabbix-frontend-php",
"binary_version": "1:3.0.12+dfsg-1ubuntu0.1~esm4"
},
{
"binary_name": "zabbix-java-gateway",
"binary_version": "1:3.0.12+dfsg-1ubuntu0.1~esm4"
},
{
"binary_name": "zabbix-proxy-mysql",
"binary_version": "1:3.0.12+dfsg-1ubuntu0.1~esm4"
},
{
"binary_name": "zabbix-proxy-pgsql",
"binary_version": "1:3.0.12+dfsg-1ubuntu0.1~esm4"
},
{
"binary_name": "zabbix-proxy-sqlite3",
"binary_version": "1:3.0.12+dfsg-1ubuntu0.1~esm4"
},
{
"binary_name": "zabbix-server-mysql",
"binary_version": "1:3.0.12+dfsg-1ubuntu0.1~esm4"
},
{
"binary_name": "zabbix-server-pgsql",
"binary_version": "1:3.0.12+dfsg-1ubuntu0.1~esm4"
}
]
}
{
"binaries": [
{
"binary_name": "zabbix-agent",
"binary_version": "1:4.0.17+dfsg-1ubuntu0.1~esm2"
},
{
"binary_name": "zabbix-frontend-php",
"binary_version": "1:4.0.17+dfsg-1ubuntu0.1~esm2"
},
{
"binary_name": "zabbix-java-gateway",
"binary_version": "1:4.0.17+dfsg-1ubuntu0.1~esm2"
},
{
"binary_name": "zabbix-proxy-mysql",
"binary_version": "1:4.0.17+dfsg-1ubuntu0.1~esm2"
},
{
"binary_name": "zabbix-proxy-pgsql",
"binary_version": "1:4.0.17+dfsg-1ubuntu0.1~esm2"
},
{
"binary_name": "zabbix-proxy-sqlite3",
"binary_version": "1:4.0.17+dfsg-1ubuntu0.1~esm2"
},
{
"binary_name": "zabbix-server-mysql",
"binary_version": "1:4.0.17+dfsg-1ubuntu0.1~esm2"
},
{
"binary_name": "zabbix-server-pgsql",
"binary_version": "1:4.0.17+dfsg-1ubuntu0.1~esm2"
}
]
}
{
"binaries": [
{
"binary_name": "zabbix-agent",
"binary_version": "1:5.0.17+dfsg-1ubuntu0.1~esm1"
},
{
"binary_name": "zabbix-frontend-php",
"binary_version": "1:5.0.17+dfsg-1ubuntu0.1~esm1"
},
{
"binary_name": "zabbix-java-gateway",
"binary_version": "1:5.0.17+dfsg-1ubuntu0.1~esm1"
},
{
"binary_name": "zabbix-proxy-mysql",
"binary_version": "1:5.0.17+dfsg-1ubuntu0.1~esm1"
},
{
"binary_name": "zabbix-proxy-pgsql",
"binary_version": "1:5.0.17+dfsg-1ubuntu0.1~esm1"
},
{
"binary_name": "zabbix-proxy-sqlite3",
"binary_version": "1:5.0.17+dfsg-1ubuntu0.1~esm1"
},
{
"binary_name": "zabbix-server-mysql",
"binary_version": "1:5.0.17+dfsg-1ubuntu0.1~esm1"
},
{
"binary_name": "zabbix-server-pgsql",
"binary_version": "1:5.0.17+dfsg-1ubuntu0.1~esm1"
}
]
}